Takahiro NAKAMURA


Fingertip-Size Optical Module, “Optical I/O Core”, and Its Application in FPGA
Takahiro NAKAMURA Kenichiro YASHIKI Kenji MIZUTANI Takaaki NEDACHI Junichi FUJIKATA Masatoshi TOKUSHIMA Jun USHIDA Masataka NOGUCHI Daisuke OKAMOTO Yasuyuki SUZUKI Takanori SHIMIZU Koichi TAKEMURA Akio UKITA Yasuhiro IBUSUKI Mitsuru KURIHARA Keizo KINOSHITA Tsuyoshi HORIKAWA Hiroshi YAMAGUCHI Junichi TSUCHIDA Yasuhiko HAGIHARA Kazuhiko KURATA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-C  No. 4  pp. 333-339
Type of Manuscript:  INVITED PAPER (Special Section on Progress in Optical Device Technology for Increasing Data Transmission Capacity)
Category: 
Keyword: 
silicon photonicsbandwidth densityoptical/electrical assemblyFPGA
 Summary | Full Text:PDF

A 50-Gb/s Optical Transmitter Based on a 25-Gb/s-Class DFB-LD and a 0.18-µm SiGe BiCMOS LD Driver
Takashi TAKEMOTO Yasunobu MATSUOKA Hiroki YAMASHITA Takahiro NAKAMURA Yong LEE Hideo ARIMOTO Tatemi IDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/09/01
Vol. E99-C  No. 9  pp. 1039-1047
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
optical transmitterlens-integrated DFB-LDLD driver0.18-µm SiGe BiCMOS technologypre-emphasis
 Summary | Full Text:PDF

Advances in High-Density Inter-Chip Interconnects with Photonic Wiring
Yutaka URINO Yoshiji NOGUCHI Nobuaki HATORI Masashige ISHIZAKA Tatsuya USUKI Junichi FUJIKATA Koji YAMADA Tsuyoshi HORIKAWA Takahiro NAKAMURA Yasuhiko ARAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/07/01
Vol. E96-C  No. 7  pp. 958-965
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
integrated opticsintegrated optoelectronicsoptical devicesoptical interconnections
 Summary | Full Text:PDF

A Wide-Tuning-Range VCO with Small VCO-Gain Variation for Multi-Band W-CDMA RFIC
Takahiro NAKAMURA Tomomitsu KITAMURA Nobuhiro SHIRAMIZU Toru MASUDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 790-795
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
VCOVCO gainWCDMAand RFIC
 Summary | Full Text:PDF

Low-Crosstalk LD and PD Arrays with Isolated Electrodes for Parallel Optical Communications
Naofumi SUZUKI Kazuhiko SHIBA Takumi TSUKUDA Takahiro NAKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 93-97
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Semiconductor Lasers and Light-Emitting Devices)
Category: 
Keyword: 
electrical crosstalkLD/PD arrayparallel optical communicationisolated electrode
 Summary | Full Text:PDF

12-Channel DC to 622-Mbit/s/ch Parallel Optical Transmitter and Receiver for Bit-Parallel Raw Data Transmission
Kazunori MIYOSHI Ichiro HATAKEYAMA Jun'ichi SASAKI Takahiro NAKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/03/01
Vol. E84-C  No. 3  pp. 304-311
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Interconnects/Optical Signal Processing)
Category: Optical Interconnection Systems
Keyword: 
optical transmitteroptical receiverparallelraw data transmission
 Summary | Full Text:PDF

Precisely Wavelength-Controlled Corrugation for DFB Laser Diodes Delineated by Weighted-Dose Electron-Beam Lithography
Yoshiharu MUROYA Kenji SATO Tetsuro OKUDA Takahiro NAKAMURA Hirohito YAMADA Toshitaka TORIKAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/08/25
Vol. E81-C  No. 8  pp. 1225-1231
Type of Manuscript:  Special Section PAPER (Special Issue on High-Capacity WDM/TDM Networks)
Category: 
Keyword: 
electron-beam lithographyDFB laser diodegratingwavelength controlWDM
 Summary | Full Text:PDF